208717647

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{6521}}^1$

素因数の和:6798

約数の個数: 16

約数和(自身を含む): 285507072

約数和(自身を除く): 76789425

約数列:

[1, 3, 47, 141, 227, 681, 6521, 10669, 19563, 32007, 306487, 919461, 1480267, 4440801, 69572549, 208717647]

約数ペア:

[(1, 208717647), (3, 69572549), (47, 4440801), (141, 1480267), (227, 919461), (681, 306487), (6521, 32007), (10669, 19563)]